Speaker
Description
ImpactX represents the next generation of the particle-in-cell code IMPACT-Z, featuring s-based symplectic tracking with collective effects, C++ parallelism with GPU acceleration, mesh-refinement (MR), openPMD standardized data I/O and a Python interface suitable for coupling to AI/ML workflows. Space charge models include FFT-based Integrated Green Function Poisson solvers (2D, 2.5D, and 3D), a Multi-Level Multigrid Poisson solver with MR, quasi-frozen Gaussian models (2.5D/3D), and envelope models (2D/3D). We describe the suite of community benchmarks used for space charge validation and automated testing. As an example, results for the GSI benchmark on space charge induced particle trapping are presented. Finally, we discuss the importance of open community standards for code input, output, workflows, and benchmarking, as well as the role that AI agents can play in simulation preparation, validation and performance testing.